Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12170496 | Motor control device | Kenji Fujiwara, Tomoki TAKEGAMI, Tetsuya Kojima, Akihiko Iwata, Masahiro Sugahara +3 more | 2024-12-17 |
| 12074522 | Power conversion device with parallel DC-DC coverters and multiple driving modes | Kenji Fujiwara, Akihiko Iwata | 2024-08-27 |
| 12015361 | Motor control device | Kenji Fujiwara, Tomoki TAKEGAMI, Tetsuya Kojima, Akihiko Iwata, Masahiro Sugahara +3 more | 2024-06-18 |
| 11848600 | Power conversion device with control circuit to adjust a common mode voltage of combined output voltages | Masahiro Sugahara, Kenji Fujiwara, Akihiko Iwata | 2023-12-19 |
| 11804788 | Power converter | Tetsuya Kojima, Kenji Fujiwara, Akihiko Iwata | 2023-10-31 |
| 11422190 | Storage battery system charging control device, storage battery system, and storage battery charging control method | Satoshi Hara, Toshihiro Wada, Takahito IDA, Hiroki Ishihara | 2022-08-23 |
| 10254346 | SOC estimation device for secondary battery | Hiroto Nishiguchi, Shingo Yamaguchi | 2019-04-09 |
| 9977087 | Device and method for estimating remaining battery capacity | Toshihiro Wada, Hiroto Nishiguchi | 2018-05-22 |
| 9234706 | Cross-fin type heat exchanger and refrigeration cycle apparatus including the same | Mamoru Hamada, Yusuke TASHIRO, Koji Yamashita, Hiroyuki Morimoto | 2016-01-12 |
| 7749623 | Method of controlling fuel cell system | Hironori Kuriki, Takashi Nishimura, Hiroaki Urushibata, Hajimu Yoshiyasu | 2010-07-06 |
| 7534517 | Fuel cell and method for manufacture thereof | Osamu Hiroi, Shoji Yoshioka, Hideo Maeda, Hiroaki Urushibata, Hironori Kuriki +1 more | 2009-05-19 |
| 7276305 | Method of operating fuel cell | Hironori Kuriki, Takashi Nishimura, Shuichi Matsumoto | 2007-10-02 |
| 7141328 | Fuel cell | Osamu Hiroi, Kenro Mitsuda, Hideo Maeda, Yasuhiro Yoshida, Tatsuya Hayashi +1 more | 2006-11-28 |
| 6599403 | Electrochemical device using solid polymer electrolytic film | Akira Ikeda, Kenro Mitsuda, Kuraki Kitazaki | 2003-07-29 |
| 6500579 | Fuel cell structure | Hideo Maeda, Kouji Hamano, Kenro Mituda | 2002-12-31 |
| 6348280 | Fuel cell | Hideo Maeda, Kenro Mitsuda | 2002-02-19 |
| 6329092 | Polymer electrolyte fuel cell and systems therefor | Hideo Maeda, Kenro Mitsuda | 2001-12-11 |
| 6270917 | Fuel cell | Hideo Maeda, Kenro Mitsuda, Kazutoshi Kaneyuki | 2001-08-07 |